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L-glutamic Acid,N,N-diacetic Acid, Tetrasodium Salt

Product name: Tetrasodium glutamate diacetate
CAS number: 51981-21-6
Chaical composition: Tetrasodium glutamate N, N-diacetate
Molecular formula: C9H9NO8Na4
Molecular weight: 351.1
Performance and purpose:
Tetrasodium glutamate diacetate is prepared from plant-based raw material L-glutamic acid, which is environmentally friendly, safe and reliable, easy to biodegrade, and meets the requiraents of OECD biodegradability testing.
As a metal ion chelating agent, it can form stable water-soluble complexes with metal ions and can be used in a wide pH range. It has h3 cleaning ability and synergistic effect with fungicides.
It can replace chelating agents such as NTA and EDTA and is widely used in multiple industrial fields, including polymer chaistry, daily chaistry, papermaking, medicine, agriculture, textile printing and dyeing, aquaculture, photographic chaicals, oilfield chaicals, water treatment agents, boiler cleaning agents, etc.
Technical indicators:
Appearance: Light yellow to yellow transparent liquid
Content: Two standards: ≥ 38.0% and ≥ 47.0%
Chlorides (calculated as Cl -): ≤ 3.0 and ≤ 1.7
Density (20 ℃): ≥ 1.30 and ≥ 1.40
PH (1% aqueous solution): 11.0~12.0
Tetrasodium glutamate diacetate has excellent chelating ability, and its typical chelating values for several metal ions are as follows (on a dry basis):
45mg Ca2+/g GLDA Na4
72 mg Cu2+/g GLDA Na4
73 mg Zn2+/g GLDA Na4
63 mg Fe2+/g GLDA Na4
27 mg Mg2+/g GLDA Na4
62 mg Mn2+/g GLDA Na4
Packaging and storage:
Packaging in plastic drums, 250kg per drum, adjustable according to customer needs.
Store in a cool indoor place for a storage period of ten months.
Security protection:
Tetrasodium glutamate diacetate is alkaline, and labor protection measures should be taken during operation to avoid contact with skin and eyes. Once in contact, rinse immediately with plenty of water.
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